Journal Articles on Mesothelioma: 'Immune-based Therapies' Category
August 30th, 2008. Lysophosphatidic acid stimulates the proliferation and motility of malignant pleural mesothelioma cells through lysophosphatidic acid receptors, LPA1 and LPA2
These results indicate that LPA is a critical factor on proliferation though LPA1, and on motility though LPA2 in MPM cells. Therefore, LPA and LPA receptors, LPA2 as well as LPA1, represent potential therapeutic targets for patients with MPM.
August 14th, 2008. Enhanced antitumor therapy by inhibition of p21waf1 in human malignant mesothelioma
Conclusions: These results indicated that p21 might play an important role in chemosensitivity to anticancer agents, and the suppression of its expression might be a potential therapeutic target for MPM.
June 24th, 2008. Phosphorylation and localization of protein-zero related (PZR) in cultured endothelial cells
To see if tyrosine kinases other than Src are also capable of phosphorylating PZR, the authors cotransfected HEK293 cells with PZR and one of several tyrosine kinases and found that c-Src, c-Fyn, c-Lyn, Csk, and c-Abl, but not c-Fes, phosphorylated PZR and increased PZR/SHP-2 interaction. These results suggest that PZR is a cell adhesion protein that may be involved in SHP-2-dependent signaling at interendothelial cell contacts.
June 4th, 2008. Malignant mesothelioma 2008
Novel therapies including intrapleural chemotherapy, photodynamic therapy and hyperthermic perfusion have also been used with some success. Finally there are several attempts at immunomodulating and targeted treatments, which are in phase I/II trials.
Posted in Causation, Chemotherapy, Determining Efficacy, Diagnosis & Differentiation, Full Archive, General, Immune-based Therapies, New & Novel, Occupational Asbestos Exposure, Photodynamic Therapy (PDT), Radiation, SV40, Serum Marker/Blood Test, Survival, Treatment, Type of Assessment: | No Comments »
May 21st, 2008. Human Tumor-Derived Exosomes Down-Modulate NKG2D Expression
This hyporesponsiveness was evident even in the presence of IL-15, a strong inducer of NKG2D. Our data show that NKG2D is a likely physiological target for exosome-mediated immune evasion in cancer.
April 22nd, 2008. Increased exosome production from tumour cell cultures using the Integra CELLine Culture System
This simple culture system is a cost effective, useful method for significantly increasing the quantity of exosomes available from cultured cells, without detrimental effects. This tool should prove advantageous in future studies of exosome-immune modulation in cancer and other settings.
April 1st, 2008. Impact of tumor-infiltrating T cells on survival in patients with malignant pleural mesothelioma
Conclusion: The presence of high levels of CD8+ tumor-infiltrating lymphocytes is associated with better prognosis in patients undergoing extrapleural pneumonectomy for malignant pleural mesothelioma. The stimulation of CD8+ lymphocytes can be a potential therapeutic strategy to improve outcome.
Posted in Diagnosis & Differentiation, Extrapleural Pneumonectomy (EPP), Full Archive, Immune-based Therapies, Immunohistochemistry or IHC, Pleural, Surgery, Survival, Treatment, Type of Assessment:, Type of Mesothelioma: | No Comments »
March 6th, 2008. Targeted drug delivery to mesothelioma cells using functionally selected internalizing human single-chain antibodies
We have further exploited the internalizing function of these scFvs to achieve targeted intracellular drug delivery to mesothelioma cells. We showed that scFv-targeted immunoliposomes were efficiently and specifically taken up by both epithelioid and sarcomatous mesothelioma cells, but not control cells, and immunoliposomes encapsulating the small-molecule drug topotecan caused targeted killing of both types of mesothelioma cells in vitro.
January 23rd, 2008. Targeting the Effector Site with IFN-{alpha}{beta}-Inducing TLR Ligands Reactivates Tumor-Resident CD8 T Cell Responses to Eradicate Established Solid Tumors
Instead, the antitumor response was critically dependent on the reactivation of tumor-resident CD8 T cell responses. These studies suggest that, once reactivated, pre-existing local CD8 T cell responses are sufficient to resolve established tumors and that in situ type I IFN is a determining factor.
December 21st, 2007. Preclinical evaluation of MORAb-009, a chimeric antibody targeting tumor-associated mesothelin
The preclinical data obtained from our studies warrants pursuing clinical testing of MORAb-009. We have in fact initiated a Phase I clinical study enrolling patients with mesothelin-positive pancreatic, mesothelioma, non-small cell lung and ovarian cancers.
December 7th, 2007. CD200: A putative therapeutic target in cancer
Moreover, we show that CD200 expression is associated with tumor progression in various cancers. Taken together, these data suggest that CD200 is a potential therapeutic target and prognostic factor for a large array of malignancies.
November 28th, 2007. Molecular genetics and mechanisms of apoptosis in carcinomas of the lung and pleura: Therapeutic targets
Stem cell therapy and gene replacement offer the prospect of novel approaches that are likely in the near future to play a definitive role in the treatment of advanced lung cancer. Furthermore, with their apparent minimal toxicity to normal tissues, the newer molecular targets represent attractive investigational directions for innovative cancer therapies.
November 3rd, 2007. Flowcytometric immunophenotyping of peripheral-blood leukocytes in relation to immunopathology and cellular proliferation of pleural mesothelioma
In conclusion, mesothelioma might be associated with modulation of the tumoricidal effect of cytotoxic T lymphocytes in relation to tumor differentiation and its proliferative potentiality. Immunophenotyping analysis of leukocytes may reflect the competence of immune system against malignancy and act as an additive prognostic parameter for mesothelioma progression and probably expecting response to oncotherapy protocols.
October 20th, 2007. Mesothelin targeted cancer immunotherapy
These include SS1P (CAT-5001) a recombinant immunotoxin targeting mesothelin, MORAb-009 a chimeric anti-mesothelin monoclonal antibody and CRS-207 a live-attenuated Listeria monocytogenes vector encoding human mesothelin. These ongoing clinical trials will help define the utility of mesothelin as a target for cancer therapy.
October 9th, 2007. Alpha-Tocopheryl succinate: Toxicity and lack of anti-tumour activity in immuno-competent mice
Toxicity of α-TOS has not been reported to date perhaps due to a lack of studies conducted in fully immuno-competent hosts. Our results suggest that the translation of animal studies to clinical treatment with α-TOS requires careful consideration.
April 12th, 2007. Establishment of the enzyme-linked immunosorbent assay system to detect the amino terminal secretory form of rat Erc/Mesothelin.
There are several rat model systems of mesothelioma that may be promising tools in the development of an antimesothelioma treatment. We hope our ELISA to detect the soluble form of rat Erc/Mesothelin is useful in the rat model system to exploit the antimesothelioma therapy to be used in human cases.
March 21st, 2007. Infiltration of a mesothelioma by IFN-gamma-producing cells and tumor rejection after depletion of regulatory T cells
Depletion of CD25+ cells did not appear to modulate antitumor CTL activity on a per cell basis. Our data suggests that CD25+ Treg limit the accumulation of activated T cells producing IFN-γ in the tumor tissue and, to a lesser extent, activation and/or rate of mitosis of tumor-specific T cells in lymph nodes.
March 14th, 2007. Expression of inhibitor-of-apoptosis protein family members in malignant mesothelioma
Nuclear survivin expression is reduced in effusions as compared with solid lesions concomitantly with reduced proliferation. XIAP is upregulated in mesothelioma effusions and peritoneal mesotheliomas, suggesting a prosurvival role in malignant mesothelioma cells, particularly at these anatomic sites.
January 24th, 2007. Immunotherapy and malignant mesothelioma: clinical perspectives
Thus, immunotherapy of cancer is undoubtedly a highly promising but also very challenging approach in the treatment of a disease that has slipped through the defence lines of the immune system. This article will review past and recent developments of such a clinical strategy.
January 17th, 2007. Bcl2/bcl-x(L) Inhibitor Engenders Apoptosis and Increases Chemosensitivity in Mesothelioma
Synergistic inhibition of tumor growth by the co-administration of cisplatin and 2-methoxy antimycin A3 was observed in both in vitro and in vivo experiments. Together, these findings indicate that exposure of cancer cells to small molecule Bcl-2/xl inhibitors such as 2-methoxy antimycin A3 alone, or in the combination with other chemotherapeutics, may represent a novel therapeutic strategy in treatment of cancer, especially mesothelioma.
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